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Note 9 - Stock Compensation (Tables)
6 Months Ended
Jun. 30, 2022
Notes Tables  
Schedule of Nonvested Share Activity [Table Text Block]
   

Granted

   

Grant Date

 
   

(In millions)

   

Fair Value*

 

RSUs

    0.9     $ 22.36  

PSUs

    0.3     $ 24.69